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Subject[PATCH][4/8] Arch agnostic completely out of line locks / ppc32
 arch/ppc/kernel/time.c        |   14 ++++++++++++++
arch/ppc/kernel/vmlinux.lds.S | 1 +
include/asm-ppc/ptrace.h | 5 +++++
3 files changed, 20 insertions(+)

Signed-off-by: Zwane Mwaikambo <zwane@fsmlabs.com>

Index: linux-2.6.9-rc1-mm1-stage/arch/ppc/kernel/time.c
===================================================================
RCS file: /home/cvsroot/linux-2.6.9-rc1-mm1/arch/ppc/kernel/time.c,v
retrieving revision 1.1.1.1
diff -u -p -B -r1.1.1.1 time.c
--- linux-2.6.9-rc1-mm1-stage/arch/ppc/kernel/time.c 26 Aug 2004 13:12:55 -0000 1.1.1.1
+++ linux-2.6.9-rc1-mm1-stage/arch/ppc/kernel/time.c 2 Sep 2004 13:53:46 -0000
@@ -108,6 +108,20 @@ static inline int tb_delta(unsigned *jif
return delta;
}

+#ifdef CONFIG_SMP
+unsigned long profile_pc(struct pt_regs *regs)
+{
+ unsigned long pc = instruction_pointer(regs);
+
+ if (pc >= (unsigned long)&__lock_text_start &&
+ pc <= (unsigned long)&__lock_text_end)
+ return regs->link;
+
+ return pc;
+}
+EXPORT_SYMBOL(profile_pc);
+#endif
+
/*
* timer_interrupt - gets called when the decrementer overflows,
* with interrupts disabled.
Index: linux-2.6.9-rc1-mm1-stage/arch/ppc/kernel/vmlinux.lds.S
===================================================================
RCS file: /home/cvsroot/linux-2.6.9-rc1-mm1/arch/ppc/kernel/vmlinux.lds.S,v
retrieving revision 1.1.1.1
diff -u -p -B -r1.1.1.1 vmlinux.lds.S
--- linux-2.6.9-rc1-mm1-stage/arch/ppc/kernel/vmlinux.lds.S 26 Aug 2004 13:12:55 -0000 1.1.1.1
+++ linux-2.6.9-rc1-mm1-stage/arch/ppc/kernel/vmlinux.lds.S 2 Sep 2004 13:08:15 -0000
@@ -32,6 +32,7 @@ SECTIONS
{
*(.text)
SCHED_TEXT
+ LOCK_TEXT
*(.fixup)
*(.got1)
__got2_start = .;
Index: linux-2.6.9-rc1-mm1-stage/include/asm-ppc/ptrace.h
===================================================================
RCS file: /home/cvsroot/linux-2.6.9-rc1-mm1/include/asm-ppc/ptrace.h,v
retrieving revision 1.1.1.1
diff -u -p -B -r1.1.1.1 ptrace.h
--- linux-2.6.9-rc1-mm1-stage/include/asm-ppc/ptrace.h 26 Aug 2004 13:13:12 -0000 1.1.1.1
+++ linux-2.6.9-rc1-mm1-stage/include/asm-ppc/ptrace.h 2 Sep 2004 13:08:16 -0000
@@ -47,7 +47,12 @@ struct pt_regs {

#ifndef __ASSEMBLY__
#define instruction_pointer(regs) ((regs)->nip)
+#ifdef CONFIG_SMP
+extern unsigned long profile_pc(struct pt_regs *regs);
+#else
#define profile_pc(regs) instruction_pointer(regs)
+#endif
+
#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)

#define force_successful_syscall_return() \
-
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